An air water two phase flow model for air demand computation for tunnels is developed in this paper.
结合工程实例，利用水气两相流数学模型计算明流长隧洞的通气量。
When determining air demand for tunnel ventilation, the air demand is taken from the bigger one between calculation of CO concentration index and smog concentration index.
隧道通风需风量的确定是取CO浓度指标和烟雾指标计算出来的较大者作为需风量。
In this paper, a mathematical model for calculating the air demand of the aerator is established, and the target mathematical function for optimizing the shape of the aerator is proposed.
建立了计算掺气设施水力特性的数学模型和挑坎掺气槽坎高的优化目标函数，对原型掺气槽的体型优化进行了研究。
The problem is particularly acute in China and India, both of which have ordered hundreds of new jetliners to meet an explosion in demand for domestic and international air travel.
这一问题在中国和印度尤为突出。这两个国家均订购了数百架新客机，以满足各自国内外航空旅行需求的爆炸式增长。
Disruptions to air travel from the volcanic eruption in Iceland is hurting demand for jet fuel.
由冰岛火山灰所导致的航班停滞打击了航油需求。
IFACTS will provide air traffic controllers with a set of advanced tools to increase capacity to meet the demand from the civil aviation industry.
iFACTS将向空中交通管制部门提供一系列的先进工具，从而提高民用航空业需求的能力。
However, Khosrowshahi said the move had increased demand for air travel and given Expedia the chance to sell higher-margin products and add-ons.
然而，Khosrowshahi表示此举刺激了人们对航空旅行的需求，令Expedia有机会销售利润率更高的产品和附加服务。
Environmental concerns such as awareness of how deforestation impacts climate change and the effects of toxic finishes on the air inside homes have led furniture buyers to demand green furniture.
由于环境问题日益严重，人们在购买家具时关于环境方面的考虑也越来越多了，诸如森林的滥砍乱伐会导致全球气候变暖，非绿色家具在制造时对环境的破坏大，二氧化碳排放量多，一些不安全家具放置于室内时还会释放有毒气体，这些因素都导致了家具购买者会选择绿色家具。
The persistent heat nurtured buoyant demand for residual fuel oil and direct crude burning for power generation, as electricity consumption soared to meet air conditioning demand in the region.
为满足该地区的空调用电需求，电力消费大幅增长，持续的炎热带来了对用于发电的残渣燃料油和原油的强劲需求。
This might indicate that some of the pent-up demand for affordable air travel, from businessmen and middle-class families, has been satisfied.
这说明了一些被抑制的，能消费得起得航空需求得到了满足，这些需求来自商人和中产阶级家庭。
Six of the ten most virtuous metropolitan areas are on the west coast, where Pacific breezes lessen demand for heating and air-conditioning.
十个著名的城市地区中有六个是位于西海岸，来自太平洋的微风缓解了对于供热以及空调制冷的需求。
The pressurized air is released on demand to turn a turbine that generates electricity, aided by burning small amounts of natural gas.
释放这些压缩空气可以推动生产电力的涡轮机，只需要燃烧少量天然气辅助。
Utility companies themselves could chip in by automatically turning down air conditioning a notch during times of peak demand.
公用事业公司也可以参与进来，在需求高峰期将空调自动下调一个等级。
Spain is the world's hottest solar market, with generous subsidies for manufacturers, plentiful sunshine and heavy demand from residents for energy-sucking air conditioning.
西班牙是世界上最红火的太阳能市场，它有着对制造商的慷慨补贴，充足的阳光和来自居民的“吸电”空调的强烈（电力）需求。
For instance, air freight and ocean shipping costs have plunged by as much as two-thirds since last summer as demand has fallen.
举例来说，自去年夏季以来，因需求骤降，空运及远洋运输费用猛跌了三分之二。
In the air compressor demand is not high, the general use of the modulation control, that is, through the control of air inhaled compressor is to ensure that the system need air pressure.
在对空压机要求不高的情况下，一般采用调制式控制，即通过控制压缩机吸入空气的量来保证系统所需要的空气压力。
Demand is estimated to peak at 55gw, which leaves room for basic energy-saving measures, like using less air-conditioning and lighting, to avert a power crunch with capacity to spare.
在用电高峰期估计需要550亿瓦，这为基本的能源节约方式留有空间，比如更少使用空调和照明，以节余的电量来避免电力危机。
The system, which sells for $150 at Best Buy, has a DVR and pulls in both over-the-air TV broadcasts and on-demand content from the Internet.
该系统售价一百五十美元，它有一个DVR并且能够导入无线电视广播节目和来自互联网的即时点播内容。
China should speed up the research and development on air monitoring equipment in line with the rising demand after the country puts in place stricter air quality standards.
按照国家实施严格的空气质量标准后需求的不断增加，中国应该加快研发环境空气监测设备。
The country's electricity generation rose 13 percent in August to 95.77 billion kilowatt hours as the hot weather boosted demand for air conditioning, the federation said in a report.
联合会报告指出，炎热天气助长了空调的大量使用，全国8月发电量增长13%至957.7亿千瓦小时。
The airline's international business continued to suffer, he conceded, but added that demand for air travel in the domestic market was recovering.
他对CNBC电视台说道：“飞机上依然有头等舱的位置，但是不像过去那么多了。”同时他承认国际航线业务持续低迷，但补充说道国内市场正在恢复。
Third, with the improvement of people's living standards, there has been a rapid growth of demand for air travel.
第三，随着人们生活水平的提高，人们对航空旅行的需求迅速增长。
Dynamic air supply emphasizes thermal adaptability, therefore it is held that proper dynamic condition can not only meet people's demand for health, but also satisfy their thermal comfort.
动态送风强调人的热适应能力，认为合理的动态环境不仅可以满足人体健康要求更能满足人体的热舒适需要。
Canadian company selling air bottled in a ski resort says it's now seeing huge demand from Chinese customers.
一家加拿大公司正在销售滑雪场的空气，这一产品受到了中国消费者的大力欢迎。
This would not demand a serious redesign because every car already has a makeshift air compressor in the form of the engine itself.
这种车的重新设计不需要大费周折，因为每一辆汽车本来都有一台可以代用的空压机，位于发动机本身内部。
Corapressed air has wide use in the production of manufacturing corporations which have different qualitative demand of the compressed air.
在制造类企业，压缩空气在生产中有广泛的用途，其对压缩空气的品质有不同的要求。
Corapressed air has wide use in the production of manufacturing corporations which have different qualitative demand of the compressed air.
在制造类企业，压缩空气在生产中有广泛的用途，其对压缩空气的品质有不同的要求。
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